Teeth of saws



GEO. E. wooLsTON, or ORANGEEUEG.` SOUTH CAROLINA.

TEETH` 0E sAws.

Specicaton of Letters Patent No, 7,979, dated March 11, 1851.

To all 'whom t may concern.'

` Be it, known that I, GEORGE F. WooLsToN,`

of the district of Orangeburg and State of .South Carolina, have invented a new Irnprovement in Teeth for Circular Saws,

' Which is for the Purpose of Planing Luinber in the Operation of Sawing or of Making it Smoother, so that it may be the More Easily Planed; and I do hereby declare that the following is a full and exact description of the salne, reference being had to the annexed drawings, making apart of this specication, in whichl Figure 1 is a perspective View, Fig. 32 an edge view, likeletters referring to like parts.`

A represents a circular saw blade, B B teeth. The Linder part of the teeth contain a groove, so `as to form a chisel, having a sharp edge at front and sides, the form of which as seen in Fig. 2. The line C represents the groove. This tooth has to be inserted in the sawblade.

D D and E E Fig. l, represent an application `of the saine principle in another form.

. D D are teeth having a sharp edge in front.

E are teeth containing 'a groove, and

having a sharp edge at the sides, the groove being open at each end.

' F `is a band, encircling the blade, of the same thickness as the cutting part of the teeth, through` which the teeth are inserted, and made fast by the rivet in the center.

The purpose of the band is to hold the teeth l more firmly in their place, and prevent vibration.

I claim as my inventiont The invention" of teeth 1n `circular saw blades, of the forni, and for the purpose above set forth.

Witnesses i JOHN LEOEIE, JAMES JONES.`

GEORGE E. wooLsToNf 

